EP2463243A1 - Membran eines Durchlüfters - Google Patents

Membran eines Durchlüfters Download PDF

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Publication number
EP2463243A1
EP2463243A1 EP20110009647 EP11009647A EP2463243A1 EP 2463243 A1 EP2463243 A1 EP 2463243A1 EP 20110009647 EP20110009647 EP 20110009647 EP 11009647 A EP11009647 A EP 11009647A EP 2463243 A1 EP2463243 A1 EP 2463243A1
Authority
EP
European Patent Office
Prior art keywords
membrane
aerator
perforated areas
perforated
water
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP20110009647
Other languages
English (en)
French (fr)
Other versions
EP2463243B1 (de
Inventor
Yuriy M. Meshengisser
Yuriy V. Kolesnik
Nikolay S. Smirnov
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Naucho-proizvodstvennaya s Orgranichennoy otvetstvennostyu Firma
Original Assignee
Naucho-proizvodstvennaya s Orgranichennoy otvetstvennostyu Firma
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Naucho-proizvodstvennaya s Orgranichennoy otvetstvennostyu Firma filed Critical Naucho-proizvodstvennaya s Orgranichennoy otvetstvennostyu Firma
Publication of EP2463243A1 publication Critical patent/EP2463243A1/de
Application granted granted Critical
Publication of EP2463243B1 publication Critical patent/EP2463243B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • C02F3/12—Activated sludge processes
    • C02F3/20—Activated sludge processes using diffusers
    • C02F3/201—Perforated, resilient plastic diffusers, e.g. membranes, sheets, foils, tubes, hoses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/231—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids by bubbling
    • B01F23/23105—Arrangement or manipulation of the gas bubbling devices
    • B01F23/2312—Diffusers
    • B01F23/23124—Diffusers consisting of flexible porous or perforated material, e.g. fabric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/231—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids by bubbling
    • B01F23/23105—Arrangement or manipulation of the gas bubbling devices
    • B01F23/2312—Diffusers
    • B01F23/23126—Diffusers characterised by the shape of the diffuser element
    • B01F23/231266—Diffusers characterised by the shape of the diffuser element being in the form of rings or annular elements
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/10—Biological treatment of water, waste water, or sewage

Definitions

  • This improvement relates to biological treatment of wastewater, in particular to an apparatus for pneumatic aeration, and may be used in aeration tanks of treatment plants for biological treatment of wastewater and in the fisheries waters intended for the artificial cultivation of fish.
  • the known membrane of the aerator operates only by its upper part. A stagnant zone with accumulation of active sludge precipitating onto the bottom is created under the aerator on the bottom of the aeration tank. Just increasing the air flow through the aerator does not help in deleting the stagnant zones under the aerator. Moreover stretching of the perforated dispersing surface of the elastic membrane because of higher pneumatic loading results in increasing the opening degree of the membrane holes and as a consequence, in passing excessive rate of compressed air through the membrane with enlargement of air bubbles above the membrane.
  • the non-perforated areas extend outwards of the annular elastic membrane, since the inner side of the membrane is made smooth for a tight abutment to corresponding smooth surface in the housing of the aerator in case of turning off the compressed air supply into the aerator.
  • the smooth surfaces of the housing and of the membrane function as a back valve, preventings water access from the aeration tank to the aerator.
  • the device comprises an annular elastic membrane 1 with a central hole 2 which the diameter d of the central hole is above or equal to the width ⁇ of the annular membrane ring.
  • the membrane of the aerator includes a sequence of the perforated areas 3 and non-perforated areas 4 alternating along the ring.
  • the membrane of the aerator includes at least four perforated areas 3 and four non-perforated areas 4.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
EP11009647.6A 2010-12-07 2011-12-07 Membran eines durchlüfters Not-in-force EP2463243B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2010150185/05A RU2451642C9 (ru) 2010-12-07 2010-12-07 Мембрана аэратора

Publications (2)

Publication Number Publication Date
EP2463243A1 true EP2463243A1 (de) 2012-06-13
EP2463243B1 EP2463243B1 (de) 2015-12-02

Family

ID=45375117

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11009647.6A Not-in-force EP2463243B1 (de) 2010-12-07 2011-12-07 Membran eines durchlüfters

Country Status (2)

Country Link
EP (1) EP2463243B1 (de)
RU (1) RU2451642C9 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120313267A1 (en) * 2009-11-12 2012-12-13 Sartorius Stedim Biotech Gmbh Aeration device for bioreactors

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU174135U1 (ru) * 2016-11-08 2017-10-03 Андрей Михайлович Гайсин Универсальная мембрана для аэраторов
RU174040U1 (ru) * 2017-01-23 2017-09-26 Научно-производственная фирма с ограниченной ответственностью "Экополимер" Аэратор
CN107720951A (zh) * 2017-10-11 2018-02-23 上海市政工程设计研究总院（集团）有限公司 一种纯氧预曝气装置及其使用方法
RU186723U1 (ru) * 2018-11-06 2019-01-30 Сергей Иванович Петров Универсальная мембрана для сантехнических приборов

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3632772C1 (en) * 1986-09-26 1988-04-28 Didier Werke Ag Aerator for introducing gas into a liquid
DE9318676U1 (de) * 1993-12-07 1994-02-24 Bischof, Franz, Dipl.-Ing., 90489 Nürnberg Ringschlauchbegaser zum feinblasigen Eintrag von Gas in eine Flüssigkeit
EP0704237A2 (de) * 1994-09-29 1996-04-03 Karl-Heinz SCHÜSSLER Begasungsvorrichtung
RU2220917C1 (ru) 2002-05-14 2004-01-10 Общество с ограниченной ответственностью "Научно-производственное предприятие Патфил" Система аэрации
RU2334686C2 (ru) 2006-09-08 2008-09-27 Общество с ограниченной ответственностью "Экополимер" (ООО "Экополимер") Аэратор
RU2334688C2 (ru) 2006-09-08 2008-09-27 Общество с ограниченной ответственностью "Экополимер" (ООО "Экополимер") Аэратор

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4981623A (en) * 1990-03-12 1991-01-01 Aquatec, Inc. Diffuser for aeration basin
US5378355A (en) * 1992-12-04 1995-01-03 Water Pollution Control Corporation Direct delivery in-situ diffuser cleaning
AUPO357396A0 (en) * 1996-11-12 1996-12-05 Aquatec-Maxcon Pty Ltd A diffuser for aerating a fluid
US6626425B2 (en) * 2000-02-23 2003-09-30 Ott Gmbh Gasification device
US7044453B2 (en) * 2004-01-08 2006-05-16 Environmental Dynamics, Inc. Membrane diffuser with uniform gas distribution

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3632772C1 (en) * 1986-09-26 1988-04-28 Didier Werke Ag Aerator for introducing gas into a liquid
DE9318676U1 (de) * 1993-12-07 1994-02-24 Bischof, Franz, Dipl.-Ing., 90489 Nürnberg Ringschlauchbegaser zum feinblasigen Eintrag von Gas in eine Flüssigkeit
EP0704237A2 (de) * 1994-09-29 1996-04-03 Karl-Heinz SCHÜSSLER Begasungsvorrichtung
RU2220917C1 (ru) 2002-05-14 2004-01-10 Общество с ограниченной ответственностью "Научно-производственное предприятие Патфил" Система аэрации
RU2334686C2 (ru) 2006-09-08 2008-09-27 Общество с ограниченной ответственностью "Экополимер" (ООО "Экополимер") Аэратор
RU2334688C2 (ru) 2006-09-08 2008-09-27 Общество с ограниченной ответственностью "Экополимер" (ООО "Экополимер") Аэратор

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120313267A1 (en) * 2009-11-12 2012-12-13 Sartorius Stedim Biotech Gmbh Aeration device for bioreactors
US9636644B2 (en) * 2009-11-12 2017-05-02 Sartorius Stedim Biotech Gmbh Aeration device for bioreactors

Also Published As

Publication number Publication date
EP2463243B1 (de) 2015-12-02
RU2451642C9 (ru) 2012-08-20
RU2451642C1 (ru) 2012-05-27

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